Research Article

High Performance Liquid Chromatographic Assay for the Simultaneous Determination of Posaconazole and Vincristine in Rat Plasma

Table 1

Precision and accuracy for the determination of PSZ and VCR in rat plasma using the proposed HPLC-DAD method.

Nominal concentration ng/mLDrugIntraday mean ± SD (intraday CV%)Interday mean ± SD, ng/mLInterday CV%Interday mean error%

50PSZ57.3 ± 10.5 (18.2)54.9 ± 9.54 (17.4)57.4 ± 0.86 (1.49)56.5 ± 0.051.3613.1
VCR50.3 ± 5.99 (11.9)56.2 ± 2.21 (3.93)47.3 ± 3.07 (6.48)51.3 ± 4.58.782.53

500PSZ539 ± 29.8 (5.54)516 ± 68.3 (13.2)520 ± 32.1 (6.18)524 ± 12.02.284.99
VCR528 ± 27.5 (5.21)495 ± 17.4 (3.50)540 ± 56.9 (10.5)521 ± 23.04.414.25

2500PSZ2460 ± 383 (15.6)2413 ± 127 (5.25)2579 ± 270 (10.5)2483 ± 85.73.45−0.65
VCR2494 ± 282 (11.3)2646 ± 186 (7.03)2476 ± 264 (10.7)2539 ± 93.63.691.54